Radiant|Lab Grown|IGI

9.09ct G SI1 Radiant Lab Grown Diamond

ID • G/SI1 • IGI LG607388844

Shape and cutting style on the report: Cut cornered rectangular modified brilliant

Certificate IGI LG607388844

Diamond specifications and retailer prices

From €897 EUR
$1,002 USD
As of October 30, 2026
Save €4,653 EUR (84%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: €5,550 EUR at Brilliant Earth · As of October 31, 2026
View at Brilliant Earth

About this 9.09ct lab-grown radiant diamond

This 9.09ct lab-grown radiant sits in the over five carat band, graded G colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG607388844 or 607388844. Listed at 15 retailers as of October 30, 2026, with prices from €897 to €5,550, a €4,653 spread on the same certified stone. Brilliant Earth lists it at €5,550. SI-grade stones are eye-clean roughly 60 to 70% of the time at this carat range. Check the inclusion plot on the cert and ask the retailer for high-resolution video before buying.

The 4Cs

9.09
Carat
G
Color
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle42.7°
Pavilion angle35.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG607388844
Dimensions14.58 × 10.37 × 7.12 mm
L/W Ratio1.41
Culet sizePointed
Top View
14.58 mm10.37 mm9.09 ctG / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG607388844
Side View
Table 64.0%Crown 42.7°Girdle: MediumPavilion 35.8°Culet: NoneDepth 68.7%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Oct 30
Current: €5,550 EUR|Low: €897 EUR|High: €5,550 EUR|Avg: €2,116 EUR
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
November 1, 2026
Retailer 14€897 EUR
Retailer 12€976 EUR
Retailer 3€1,040 EUR
Retailer 15€1,040 EUR
Retailer 10€1,195 EUR
Retailer 2€1,238 EUR
Retailer 8€1,499 EUR
Retailer 6€1,561 EUR
Retailer 5€1,662 EUR
Retailer 9€1,711 EUR
Retailer 13€1,950 EUR
Retailer 4€2,174 EUR
Retailer 11€3,548 EUR
Retailer 7€4,923 EUR
Brilliant Earth€5,550 EUR

34 data points across 15 retailers

15 retailers€897 EUR to €5,550 EUR

A
Cheapest Retailer
-
€897 EUR
$1,002 USD
A
Retailer 2
-
€976 EUR
$1,090 USD
View
A
Retailer 3
-
€1,040 EUR
$1,162 USD
View
Retailer 4
-
€1,040 EUR
$1,162 USD
View
Price last confirmed 21 days ago
A
Retailer 5
-
€1,195 EUR
$1,335 USD
View
A
Retailer 6
-
€1,238 EUR
£1,089 GBP
View
A
Retailer 7
-
€1,499 EUR
£1,319 GBP
View
A
Retailer 8
-
€1,561 EUR
$1,744 USD
View
B+
Retailer 9
-
€1,662 EUR
$1,857 USD
View
A
Retailer 10
-
€1,711 EUR
View
B+
Retailer 11
-
€1,950 EUR
$2,179 USD
View
B+
Retailer 12
-
€2,174 EUR
$2,429 USD
View
B
Retailer 13
-
€3,548 EUR
£3,121 GBP
View
B
Retailer 14
-
€4,923 EUR
$5,500 USD
View
Most Expensive
B
Brilliant Earth
8587134A · Oct 31
€5,550 EUR
$6,200 USD
View
14 more retailers have this diamond
Prices start from €897 EURSave up to €4,653 EUR

Carat Hunter is not affiliated with, endorsed by, or sponsored by any retailer listed. Retailer information is from publicly available sources and may not be current. Verify details directly with the retailer before purchasing. Return terms as we hold them. Check the retailer's own returns page before you buy.

A
9.09ct Radiant
€897 EUR